Below you will find an assessment, field reports, and photo journal from the Edmonton roofing repair crew for a maintenance on a residential flat roof. The roofing system is due for replacement, but required immediate leak repairs and vent installations.
Assessment, September 24 2014:
The roof is a low-slope system with existing tar and gravel. There is an approximately 3 in. insulation on top of the plywood roofing below the tar and gravel. The client would like some insulation of their patched areas. The roof was installed in 1981 and needs to be replaced soon. There have been no leaks to date.
Field Report, October 8 2014:
- There are two holes that need to be filled in - one where the old chimney was and the other where there was formerly a kitchen exhaust. Everything below the roof line has been removed, so the scope involves removing metal roof caps and installing pieces of plywood, insulation, and roof membrane.
- There is one hole in the roof requiring a new range hood. An HVAC contractor has already marked out a location on a roof where this hood will be installed. The hole needs to be 7 in. in diameter. The ducting requires installation and sealing.
- There is a small 2' x 12' addition over the front stairs that needs a roof membrane. There is no need to insulate this area, as it is just over the exterior stairs.
- There are two plumbing vents approximately 4 in. in diameter that need to be cut off and sealed.
The scope of worked was changed slightly. Rather than eliminating three vents, one was eliminated and covered in the drilled hole marked by the HVAC contractor. Another vent was then sealed that was leaking. I also ripped an old vent off and replaced it with a new one supplied by the customer.
When our other crew member arrived back on-site with SOPRAMASTIC, we sealed all the vents in. Afterwards, we started work on the overhang above the front door. A drip edge was installed around the perimeter along with a 3 inch sheet metal angle at the wall connection. Seam tape was then applied all around it to get a good seal as we glued to the plywood surface. Finally, EPDM was glued down near the end of the day.
Field Report, October 9 2014:
- 2x cans of SOPRAMASTIC three-gallon
- 14 ft. of EPDM
- 1x roll of 6 in. mesh.
We finished off the drip edge with seam tape, rolled it in, and then cut our access-rubber off. At this point, the site was completed. We cleaned up the area and left.
< End Report >
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